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Identification, Cloning, and Expression of the CAMP factor gene ( cfa ) of Group A Streptococci

1 Sept 1999

Abstract excerpt

The CAMP reaction is a synergistic lysis of erythrocytes by the interaction of an extracellular protein (CAMP factor) produced by some streptococcal species with the Staphylococcus aureus sphingomyelinase C (beta-toxin). Group A streptococci (GAS [Streptococcus pyogenes]) have been long considered CAMP negative, and this reaction commonly has been used to distinguish GAS from Streptococcus agalactiae. We here...

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PMID: 10456923
DOI: 10.1128/iai.67.9.4725-4731.1999

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